At Pekin, Ill, Peoria and Pekin Union Railroad has replaced 76-lever mechanical plant by installing electric interlocking in which controls are of all-relay type, interlocking being accomplished by interconnections of circuits so that control machine utilizes miniature type levers with no mechanical locking or electric lever locks. (See also Ry Signaling v 36 n 3 Mar 1943 p 135-42)
All-relay interlocking replaces mechanical plant
Ry Age
Railway Age ; 114 , n 18
1943
3 pages
Article (Journal)
English
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